CA1120126A - Infrared intrusion alarm system with temperature responsive threshold level - Google Patents

Infrared intrusion alarm system with temperature responsive threshold level

Info

Publication number
CA1120126A
CA1120126A CA000320737A CA320737A CA1120126A CA 1120126 A CA1120126 A CA 1120126A CA 000320737 A CA000320737 A CA 000320737A CA 320737 A CA320737 A CA 320737A CA 1120126 A CA1120126 A CA 1120126A
Authority
CA
Canada
Prior art keywords
level
reference signal
signal
temperature
infrared energy
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA000320737A
Other languages
English (en)
French (fr)
Inventor
Herbert L. Berman
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Raytek Corp
Original Assignee
Raytek Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Raytek Inc filed Critical Raytek Inc
Application granted granted Critical
Publication of CA1120126A publication Critical patent/CA1120126A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/18—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
    • G08B13/189—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems
    • G08B13/19—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using infrared-radiation detection systems
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S250/00—Radiant energy
    • Y10S250/01—Passive intrusion detectors

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Burglar Alarm Systems (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
CA000320737A 1978-02-02 1979-02-02 Infrared intrusion alarm system with temperature responsive threshold level Expired CA1120126A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US05/874,380 US4195234A (en) 1978-02-02 1978-02-02 Infrared intrusion alarm system with temperature responsive threshold level
US874,380 1978-02-02

Publications (1)

Publication Number Publication Date
CA1120126A true CA1120126A (en) 1982-03-16

Family

ID=25363608

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000320737A Expired CA1120126A (en) 1978-02-02 1979-02-02 Infrared intrusion alarm system with temperature responsive threshold level

Country Status (11)

Country Link
US (1) US4195234A (en, 2012)
JP (1) JPS54114281A (en, 2012)
AU (1) AU4372579A (en, 2012)
BE (1) BE873823A (en, 2012)
CA (1) CA1120126A (en, 2012)
DE (1) DE2903874A1 (en, 2012)
FR (1) FR2416512A1 (en, 2012)
GB (1) GB2013876B (en, 2012)
IE (1) IE47803B1 (en, 2012)
IT (1) IT1207168B (en, 2012)
NL (1) NL7900838A (en, 2012)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4339748A (en) * 1980-04-08 1982-07-13 American District Telegraph Company Multiple range passive infrared detection system
JPS5852529A (ja) * 1981-09-23 1983-03-28 Horiba Ltd サ−モパイルの温度補償方法
US4507654A (en) * 1981-10-30 1985-03-26 A. R. F. Products Security system with infrared optical position detector
JPS6370188A (ja) * 1986-09-11 1988-03-30 Shinto Paint Co Ltd 害動物探査
JPS647198A (en) * 1987-06-30 1989-01-11 Nittan Co Ltd Environmental abnormality warning device
CH675316A5 (en, 2012) * 1987-08-11 1990-09-14 Cerberus Ag
CH677413A5 (en, 2012) * 1988-06-10 1991-05-15 Cerberus Ag
US4993049A (en) * 1988-09-28 1991-02-12 Cupps Halbert D Electronic management system employing radar type infrared emitter and sensor combined with counter
JPH02128124A (ja) * 1988-11-08 1990-05-16 Omron Tateisi Electron Co 熱体検出装置
US4951045A (en) * 1989-03-29 1990-08-21 Intelligent Safety Technology, Inc. Portable electronic warning device for temporary conditions
US5086526A (en) * 1989-10-10 1992-02-11 International Sanitary Ware Manufacturin Cy, S.A. Body heat responsive control apparatus
US5281953A (en) * 1992-07-08 1994-01-25 Torres Carlos E Heat sensitive purse alarm
IL110429A (en) * 1994-07-25 1998-07-15 Rokonet Electronics Limited Alarm system
US5764143A (en) * 1997-05-29 1998-06-09 Napco Security Systems, Inc. Combination temperature unit/intruder sensor utilizing common components
DE19917109A1 (de) 1998-04-15 1999-11-04 Steinel Gmbh & Co Kg Sensorvorrichtung und Verfahren zum Betreiben einer Sensorvorrichtung
EP1308914B1 (de) * 2001-11-05 2004-08-25 Siemens Building Technologies AG Passiv-Infrarotmelder
EP1669958A4 (en) * 2003-09-08 2009-03-25 Optex Co Ltd SENSOR CAMERA GEAR EINDRINGDETEKTIONS DEVICE
GB0424934D0 (en) * 2004-11-12 2004-12-15 Qinetiq Ltd Infrared detector
US7250806B2 (en) * 2005-03-02 2007-07-31 Avago Technologies Ecbu Ip (Singapore) Pte. Ltd. Apparatus and method for generating an output signal that tracks the temperature coefficient of a light source
CN102231218A (zh) * 2011-05-30 2011-11-02 深圳市豪恩安全科技有限公司 一种红外探测方法及红外探测器

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3703718A (en) * 1971-01-07 1972-11-21 Optical Coating Laboratory Inc Infrared intrusion detector system
US3792366A (en) * 1972-09-13 1974-02-12 Barber Colman Co Cleaner stand for computer disks
US3988726A (en) * 1973-09-04 1976-10-26 Gulf & Western Manufacturing Company Infrared intrusion detection apparatus
US3928843A (en) * 1974-06-24 1975-12-23 Optical Coating Laboratory Inc Dual channel infrared intrusion alarm system
US4052716A (en) * 1976-03-29 1977-10-04 Mortensen Tage A Fire and intruder detection and alarm apparatus

Also Published As

Publication number Publication date
JPS54114281A (en) 1979-09-06
GB2013876B (en) 1982-09-08
FR2416512A1 (fr) 1979-08-31
IT1207168B (it) 1989-05-17
IE790168L (en) 1979-08-02
IT7919766A0 (it) 1979-02-01
IE47803B1 (en) 1984-06-27
BE873823A (fr) 1979-05-16
GB2013876A (en) 1979-08-15
AU4372579A (en) 1979-08-09
NL7900838A (nl) 1979-08-06
US4195234A (en) 1980-03-25
DE2903874A1 (de) 1979-08-16
FR2416512B3 (en, 2012) 1981-11-27

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Legal Events

Date Code Title Description
MKEX Expiry